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Biotite from
Routakallio Quarry (Satamo Quarry), Seinäjoki, South Ostrobothnia, Finland

Locality type:Quarry
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
References
References:Pavel M. Kartashov data
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Routakallio Quarry (Satamo Quarry), Seinäjoki, South Ostrobothnia, Finland
Nearest other occurrences of Biotite
3.9km (2.5 miles) A P-K pegmatite, Nurmo, Seinäjoki, South Ostrobothnia, Finland
25.2km (15.6 miles) B Haapaluoma pegmatite, Peräseinäjoki, Seinäjoki, South Ostrobothnia, Finland
25.4km (15.8 miles) C Hunnakko, Alavus, South Ostrobothnia, Finland
30.4km (18.9 miles) D Kaatiala pegmatite, Kuortane, South Ostrobothnia, Finland
64.5km (40.1 miles) E Lappajärvi meteorite crater, Lappajärvi, South Ostrobothnia, Finland
64.9km (40.3 miles) F Kauhajärvi, Kauhajoki, South Ostrobothnia, Finland
110.1km (68.4 miles) G Niemikylä, Kuru, Ylöjärvi, Pirkanmaa, Finland
115.0km (71.4 miles) H Koivusaarenneva, Kälviä, Kokkola, Central Ostrobothnia, Finland
116.3km (72.3 miles) I Haveri mine, Viljakkala, Ylöjärvi, Pirkanmaa, Finland
122.5km (76.1 miles) J Merikarvia, Satakunta, Finland
149.7km (93.0 miles) K Vatanen, Pirkkala, Pirkanmaa, Finland
151.7km (94.3 miles) L Hirvikangas, Kalajoki, North Ostrobothnia, Finland
152.7km (94.9 miles) M Eräpyhä pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland
156.4km (97.2 miles) N Katila, Eräjärvi area, Orivesi, Pirkanmaa, Finland
158.2km (98.3 miles) O Viitaniemi pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland
173.5km (107.8 miles) P Rauhala Deposit, Ylivieska, North Ostrobothnia, Finland
212.4km (132.0 miles) Q Rohdainen macadam quarry, Pyhäranta, Southwest Finland, Finland
216.1km (134.3 miles) R Laivakangas-N (Näädänmaa; Näädänmalmi), Raahe, North Ostrobothnia, Finland
Mineral and/or Locality  
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